Structure Data of Free Polyatomic Molecules
140
CH12Ge4
ED, DFT
calculations
r a)
Å b)
Ge–C 1.970(2)
Ge–H 1.532(5)
Tetrakis(germyl)methane
Methanetetrayltetrakisgermane
deg b)
Ge–C–Ge 109.5 d)
C–Ge–H 116.0(2)
162.0(2)
τ e)
θ c)
T assumed
H3Ge
H3Ge
GeH3
GeH3
Local C3v symmetry for the CGeH3 fragments was assumed.
The nozzle was at room temperature.
a
) Unidentified, possibly ra.
) Twice the estimated standard errors
including a systematic error.
c
) Unidentified, possibly θα.
d
) Assumed at the value from B3PW91/6-31G**
calculations.
e
) Ge–C–Ge–H torsional angle, τ = 180° for the
staggered position of GeH3 group with
respect to the C–Ge bond.
b
Kouvetakis, J., Haaland, A., Shorokhov, D.J., Volden, H.V., Girichev, G.V., Sokolov, V.I.,
Matsunaga, P.: J. Am. Chem. Soc. 120 (1998) 6738.
Landolt-Börnstein
New Series II/28B